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DS1744-70+ The Analog Devices DS1744-70+ is a Real Time Clock IC featuring NV SRAM, Y2K compliance, and a Parallel interface. It operates from 4.5V to 5.5V and has an operating temperature range of 0°C to 70°C.
Mfr Part #:

DS1744-70+

Available from 2 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices DS1744-70+ is a Real Time Clock IC featuring NV SRAM, Y2K compliance, and a Parallel interface. It operates from 4.5V to 5.5V and has an operating temperature range of 0°C to 70°C.
✓ Total Stock: 5,104 pcs

DS1744-70+ Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,100 pcs
On Request
3100 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,004 pcs
On Request
2004 pcs On Request 1 On Request On Request 24+ On Request On Request
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DS1744-70+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Lead Spacing
Memory Size
Mounting Type
Operating Temperature
Supplier Device Package
Supplier Package
Tape & Reel
Time Format
Type
Voltage
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DS1744-70+ Description

Short technical summary and product information.

The DS1744-70+ from Analog Devices is a highly integrated Real Time Clock (RTC) with Non-Volatile Static RAM (NV SRAM). This component combines an RTC, crystal, power-fail control circuit, and a lithium energy source into a single package.

 

Key features include Y2K compliance, leap year compensation valid up to the year 2100, and a battery voltage-level indicator flag. The device offers power-fail write protection with a ±10% VCC power-supply tolerance. Clock registers are accessed identically to the static RAM, residing in the eight top RAM locations.

 

This specific model, DS1744-70+, operates within a temperature range of 0°C to 70°C and requires a voltage supply between 4.5V and 5.5V. It utilizes a Parallel interface for data communication and has a memory size of 32KB. The package is a 28-pin EDIP, suitable for through-hole mounting.

 

The device is designed for applications requiring accurate timekeeping and non-volatile data storage, such as embedded systems, data loggers, and industrial control equipment.

DS1744-70+ Quick Information

Product Type: Real Time Clock
Canonical Name: DS1744-70+ Clock/Calendar NV SRAM
Subcategory: Real Time Clocks

DS1744-70+ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS1744-70+ Features

  • Integrated NV SRAM and Real-Time Clock.
  • Y2K compliant with leap year compensation.
  • Operates from 4.5V to 5.5V supply.
  • 32KB memory size for data storage.
  • 0°C to 70°C operating temperature range.

DS1744-70+ Applications

  • Ideal for embedded system timekeeping.
  • Suitable for data logging applications.
  • Used in industrial control systems.
  • Provides reliable non-volatile data storage.

DS1744-70+ FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the DS1744-70+?

The operating voltage is between 4.5V and 5.5V.

What is the operating temperature range of the DS1744-70+?

The operating temperature range is 0°C to 70°C.

What is the RoHS status of the DS1744-70+?

The RoHS status is RoHS3 Compliant.

What is the memory size of the DS1744-70+?

The memory size is 32KB.

What type of interface does the DS1744-70+ use?

It uses a Parallel interface.

What is the package type for the DS1744-70+?

The package is a 28-EDIP.

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